HM658512A Overview
The Hitachi HM658512A is a CMOS pseudo static RAM organized 512-kword × 8-bit. It realizes higher density, higher performance and low power consumption by employing 0.8 µm Hi-CMOS process technology. It offers low power data retention by self refresh mode.
HM658512A Key Features
- Single 5 V (±10%)
- High speed Access time CE access time: 70/80/100 ns (max) Cycle time Random read/write cycle time: 115/130/160 ns (m
- Low power Active: 250 mW (typ) Standby: 200 µW (typ)
- Directly TTL patible All inputs and outputs
- Simple address configuration Non multiplexed address
- Refresh cycle 2048 refresh cycles: 32 ms
- Easy refresh functions Address refresh Automatic refresh Self refresh